How To Fix MA831 - No. of forecast periods does not equal no. of periods to be copied

MA831 - Overview

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 831

• Message text: No. of forecast periods does not equal no. of periods to be copied

What causes this issue?

The number of forecast periods does not correspond to the number of
historical periods defined for this copy operation. If the number of
forecast periods is smaller, the first forecast period is given the
value of the first historical period, the second forecast period is
given the value of the second historical period, and so on, until the
number of forecast periods is reached. If the number of forecast
periods is larger, the above procedure is followed. All subsequent
forecast periods are given the value zero.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MA831 - No. of forecast periods does not equal no. of periods to be copied ?

  The SAP error message MA831 ("No. of forecast periods does not equal no. of periods to be copied") typically occurs in the context of materials management and forecasting within SAP. This error indicates a mismatch between the number of forecast periods defined in the system and the number of periods that the user is trying to copy or manipulate.
  
  Cause:
  
  Mismatch in Periods: The number of forecast periods set in the material master or in the forecasting settings does not match the number of periods you are trying to copy from another source (like a historical data set).
  
  Configuration Issues: The configuration settings for the forecasting profile may not be aligned with the data being processed.
  Data Entry Errors: There may be an error in the data entry where the user is trying to copy a different number of periods than what is defined in the system.
  
  
  Solution:
  
  
  Check Forecast Profile: Verify the forecast profile settings